Estopti City and Oestopti City, the birthplaces of Empires and Kings. When the time comes, I will be High King, and these mountains will carry on the tradition of birthing High Kings.
Capital has mines of materials - iron, copper, in some places silver.
While Feroia has the stronger timber industry, Capital tends to trade in timber with its fellow northern neighbors.
Goat herding in the mountains, though the herds are generally watched closely.
Old Arling, possibly the oldest, has the capital cities of the Adrakian Empire within as its own capital cities.
An adventurer could find themselves wandering the World Spine Mountains and into some ruins.